linux-kernel - Re: [PATCH 1/5 v5] irqchip: ingenic: Drop redundant irq_suspend / irq

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Date:   Sun, 6 Oct 2019 14:01:18 +0800
From:   Zhou Yanjie <zhouyanjie@...o.com>
To:     Paul Cercueil <paul@...pouillou.net>
Cc:     linux-mips@...r.kernel.org, linux-kernel@...r.kernel.org,
        tglx@...utronix.de, paul.burton@...s.com,
        gregkh@...uxfoundation.org, jason@...edaemon.net, syq@...ian.org,
        marc.zyngier@....com, rfontana@...hat.com, armijn@...ldur.nl,
        allison@...utok.net
Subject: Re: [PATCH 1/5 v5] irqchip: ingenic: Drop redundant irq_suspend /
 irq_resume functions

Hi Pual,

On 2019年10月06日 08:13, Paul Cercueil wrote:
> Hi Zhou,
>
>
> Le mer., oct. 2, 2019 at 19:25, Zhou Yanjie <zhouyanjie@...o.com> a 
> écrit :
>> From: Paul Cercueil <paul@...pouillou.net>
>>
>> The same behaviour can be obtained by using the IRQCHIP_MASK_ON_SUSPEND
>> flag on the IRQ chip.
>>
>> Signed-off-by: Paul Cercueil <paul@...pouillou.net>
>
> If you sumbit a patchset that contains someone else's patches you need 
> to add your Signed-off-by too.

Thank you for the reminder. I'll add my Signed-off-by in v6.
>
>> ---
>>  drivers/irqchip/irq-ingenic.c   | 24 +-----------------------
>>  include/linux/irqchip/ingenic.h | 14 --------------
>>  2 files changed, 1 insertion(+), 37 deletions(-)
>>  delete mode 100644 include/linux/irqchip/ingenic.h
>>
>> diff --git a/drivers/irqchip/irq-ingenic.c 
>> b/drivers/irqchip/irq-ingenic.c
>> index f126255..06fa810 100644
>> --- a/drivers/irqchip/irq-ingenic.c
>> +++ b/drivers/irqchip/irq-ingenic.c
>> @@ -10,7 +10,6 @@
>>  #include <linux/interrupt.h>
>>  #include <linux/ioport.h>
>>  #include <linux/irqchip.h>
>> -#include <linux/irqchip/ingenic.h>
>>  #include <linux/of_address.h>
>>  #include <linux/of_irq.h>
>>  #include <linux/timex.h>
>> @@ -50,26 +49,6 @@ static irqreturn_t intc_cascade(int irq, void *data)
>>      return IRQ_HANDLED;
>>  }
>>
>> -static void intc_irq_set_mask(struct irq_chip_generic *gc, uint32_t 
>> mask)
>> -{
>> -    struct irq_chip_regs *regs = &gc->chip_types->regs;
>> -
>> -    writel(mask, gc->reg_base + regs->enable);
>> -    writel(~mask, gc->reg_base + regs->disable);
>> -}
>> -
>> -void ingenic_intc_irq_suspend(struct irq_data *data)
>> -{
>> -    struct irq_chip_generic *gc = irq_data_get_irq_chip_data(data);
>> -    intc_irq_set_mask(gc, gc->wake_active);
>> -}
>> -
>> -void ingenic_intc_irq_resume(struct irq_data *data)
>> -{
>> -    struct irq_chip_generic *gc = irq_data_get_irq_chip_data(data);
>> -    intc_irq_set_mask(gc, gc->mask_cache);
>> -}
>> -
>>  static struct irqaction intc_cascade_action = {
>>      .handler = intc_cascade,
>>      .name = "SoC intc cascade interrupt",
>> @@ -127,8 +106,7 @@ static int __init ingenic_intc_of_init(struct 
>> device_node *node,
>>          ct->chip.irq_mask = irq_gc_mask_disable_reg;
>>          ct->chip.irq_mask_ack = irq_gc_mask_disable_reg;
>>          ct->chip.irq_set_wake = irq_gc_set_wake;
>> -        ct->chip.irq_suspend = ingenic_intc_irq_suspend;
>> -        ct->chip.irq_resume = ingenic_intc_irq_resume;
>> +        ct->chip.flags = IRQCHIP_MASK_ON_SUSPEND;
>>
>>          irq_setup_generic_chip(gc, IRQ_MSK(32), 0, 0,
>>                         IRQ_NOPROBE | IRQ_LEVEL);
>> diff --git a/include/linux/irqchip/ingenic.h 
>> b/include/linux/irqchip/ingenic.h
>> deleted file mode 100644
>> index 1465588..0000000
>> --- a/include/linux/irqchip/ingenic.h
>> +++ /dev/null
>> @@ -1,14 +0,0 @@
>> -/* SPDX-License-Identifier: GPL-2.0-or-later */
>> -/*
>> - *  Copyright (C) 2010, Lars-Peter Clausen <lars@...afoo.de>
>> - */
>> -
>> -#ifndef __LINUX_IRQCHIP_INGENIC_H__
>> -#define __LINUX_IRQCHIP_INGENIC_H__
>> -
>> -#include <linux/irq.h>
>> -
>> -extern void ingenic_intc_irq_suspend(struct irq_data *data);
>> -extern void ingenic_intc_irq_resume(struct irq_data *data);
>> -
>> -#endif
>> -- 
>> 2.7.4
>>
>>
>
>